UFC 4-010-01
8 October 2003
Including change 1, 22 January 2007
2-4.1.1.3
Placed Bombs. Hand-carried explosives placed near buildings can
cause significant localized damage, potentially resulting in injuries or fatalities. It is
assumed that aggressors will not attempt to place explosive devices in areas near
buildings where those devices could be visually detected by building occupants casually
observing the area around the building. It is also assumed that there will be sufficient
controls to preclude bombs being brought into buildings. Explosive weight II is assumed
to be placed by hand either in trash containers or in the immediate vicinity of buildings.
That quantity of explosives is further assumed to be built into a bomb 150 millimeters (6
inches) or greater in height.
2-4.1.1.4
Mail Bombs. Explosives in packages delivered through the mail can
cause significant localized damage, injuries, and fatalities if they detonate inside a
building. No assumption as to the size of such explosives is made in these standards.
Provisions for mail bombs are limited to locations of mail rooms so that they can be
more readily hardened if a specific threat of a mail bomb is identified in the future.
2-4.1.2
Indirect Fire Weapons. For the purpose of these standards, indirect fire
weapons are assumed to be military mortars with fragmentation rounds containing
explosives equivalent to explosive weight III in Table D-1. Protection against the effects
of such rounds on an individual building is not considered practical as a minimum
standard; therefore, these standards are intended to limit collateral damage to adjacent
buildings from these weapons.
2-4.1.3
Direct Fire Weapons. For the purpose of these standards, direct fire
weapons include small arms weapons and shoulder fired rockets that require a direct
line of sight. Some standards in this UFC are predicated on a direct fire weapon threat.
Provisions of those standards are based on the assumption that those weapons will be
fired from vantage points outside the control of an installation or facility. Obscuration or
screening that minimizes targeting opportunities is assumed to be the primary means of
protecting DoD personnel from these weapons in these standards.
2-4.1.4
Fire. Recent incidents indicate that causing fires can be considered a
terrorist tactic. Fire may be used as a direct terrorist tactic or it may be a secondary
effect of some other tactic. Examples of how fire might be used as a direct tactic would
include arson and driving a fuel truck or other fuel-laden vehicle into a building.
2-4.1.5
these standards, these weapons are assumed to be improvised weapons containing
airborne agents employed by terrorists. These standards do not assume
comprehensive protection against this threat. They provide means to reduce the
potential for widespread dissemination of such agents throughout a building in the event
of an attack either outside buildings or in mail rooms.
2-4.2
Controlled Perimeters. These standards assume that procedures are
implemented to search for and detect explosives to limit the likelihood that a vehicle
carrying quantities of explosives equivalent to explosive weight I in Tables B-1 and D-1
could penetrate a controlled perimeter undetected. It is further assumed that access
2-4
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